Healthy Creeks: How You Can Help

Report Creek Pollution

Call the Department of Public Works, at 384-4800 during City Hall open hours if you notice unusual color or cloudiness in a creek or channel, to report a spill, or if you suspect pollution in the creek.

To report an after hours spill or discharge to a creek, call the non-emergency dispatch at (415) 446-4526.

When reporting a creek problem, try to have the following information:

If you see someone dumping into the creek: Try to get a description of the person, license number, and vehicle description.

Marin County Stormwater Pollution Prevention Program

The City of Mill Valley is a member of the Marin County Stormwater Pollution Prevention Program (MCSTOPPP) which works to comply with stormwater regulations and to protect Marin's creeks and wetlands by preventing pollution.

MCSTOPPP's primary strategy is to gain compliance through a combination of education and ensuring measures for preventing pollution.